Suou Hozumi is the over protected heir of the Suou family. His grandfather barely lets him out of the house, so when an accident brings suave Kanzaki Shougo into Hozumi's life, he can't resist the appeal of the kind older man. But innocent Hozumi has no idea what his new friend is capable of...

From Aerandria Scans:
Ryuu, a super-business-like transfer student from England with black hair and blue eyes just arrived! During the night of the Tanabata festival, Ryuu and Yukino became attracted to each other at first sight. He then declares, "You will be mine!" This brought confusion to Yukino, who has zero experience in love. But could she actually be falling in love?

A boy changes schools to be near his childhood crush. Mistaken identities and numerous love triangles ensue.
Atsushi Arisawa enrolls at Jougaouka High School to be near Masami Shibata (Ma-chan) who was his childhood crush. Unbeknownst to Atsushi, however, Masami no longer works at the school and his brother, Masayoshi is now the nurse. Atsushi mistakes Masayoshi for Masami and is horrified beca...

Tokyo Butei High school--- It was a special school where armed detectives, also known as "Butei" are being brought up. Tohyama Kinji is a sophomore student who has the unique body which activates a "super mode" when it was stimulated by "something". He tries to hide it to others in order to live a peaceful life. But trouble came to find him when he became a victim of ...

From MangaHelpers:
When the two were still young, Saito and Kawana Subaru were close friends. But with Subaru coming from a wealthy family, she was sent to the top school while Saito had to settle for a regular education. But after painfully studying for years, he was finally accepted as a high school freshman through a scholarship program that only a handful of students are awarded. But what S...

A man and a woman meet in a time far from ours, in the ancient time of China. Love blossoms between the man and the woman, but this isn’t an easy time to love. And together they need to fight for the love they share together. Follow Liu Pu wei and Lu kou in a love story that takes you to the ancient time of China.
Summary from Mangaupdates

Beitofuku's father remarried a week ago and her step brother turns out to be the school's most popular guy, Aizawa Hiroki. Giving the appearance of a gentleman it turns out he's a huge playboy, trying to "capture" her to prove they can't be a family!?

What happens when Nagasaku, the president of the most popular cafe "Lotus" and Kouzuki, the number #1 host of the most popular club "Adonis" wanted to rent the same 2 million yen lavish apartment in the exclusive King's Hill? Room share, of course! Two unlikely roommates agreed to co-habitate the same apartment with very strict conditions. Will this arrangement really work out ...

The main character (Takamiya, Honoka) is a regular student whose only problem seems to be that he sits next to Kagari, Ayaka, the school's #1 beauty. They have never crossed words before, and even a small interaction between them results in her fan club beating him. Yet when a falling part of the school's building is about to send him to the afterlife, it was her who came to his rescue. Except, sh...

One day while playing videogames, a strange creature called Didi approaches Yu Yong Gi and claims he has a chance of becoming a Hero of 0.05%. And as such she has to aid him in becoming one.
She starts showing him the evils of being a Hero, and after a while Yu Yong Gi realizes she is actually attempting to deter him from that path rather than aid him. With the cat out of the bag, she confesses...

History isn't Tokidoki's strong subject. He's even forced to do make-up work at a high-tech history museum to bring up his failing grades. After losing an eye to a virtual reality monster in an Edo-period simulation, he finds himself unable to leave the game. Could it be real?

From MangaProject:
Imagine what it is like to be raised by a gay father who insists that you call him "mom". The main character turns out to be a woman who doubts her sexual orientation, until she meets the right guy. She is so sure that he is "the one," that she goes out of her way to pursue him and then marries him lightning fast! Essentially, the rest of the story is about ...

High school tough girl Aria is notorious for taking on her school’s worst bullies. But punching out jerks is nothing compared to what happens when she finds herself inexplicably drawn to the demonically possessed Sakura, a guy who would as readily rip apart his own parents as seek her healing embrace. Sakura says Aria has the power to save him, but will she be able – or even willing to?

Consists of four stories:
1) Othello-
After Atsushi dies in a horrible accident, his twin brother Ayumu decides to steal his identity and returns to school in his place. He attempts to hide his reckless behavior and assume persona of his honor student brother. However, for some reason, Ayumu is unable to hide his true colors and composure around his classmate Kirishima.
2) Snow White in Sum...

From Baka-Updates:
An innocent sightseeing trip to Kyoto opens up a magical realm to shy high schooler Chikahito Takamoto. Visiting a legendary shrine, Chikahito finds himself in the mystical world of Hana and her comrades—and his immunity to their powers leads them to believe that he’s no ordinary awkward teenager! Protecting our world from violent elemental beasts, Hana and her team welcome the...

From Day of the River:
One day, Takamiya Naho receives a letter written to herself from ten years in the future. As Naho reads on, the letter recites the exact events of the day, including the transfer of a new student into her class named Naruse Kakeru.
The Naho from ten years later repeatedly states that she has many regrets, and she wants to fix these by making sure the Naho from the past...

Angie, though hailed as "The Man of Tango," had never truly felt the deep, fiery passion of Latin dance. That is, until he met Hiro, a man born from a Latin mother, who was under his Japanese grandfather's custody and now lives as a Japanese citizen. Now, a slow, seething desire begins to rock his body and soul! At first feeling a nostalgic familiarity toward the Latin dancer, Hiro finds...

Kanade Kazamaki is Shinobi trained and brought up with the Toujo family, being Keigo Tojou's childhood friend. Defeating the Toyoda family who has reigned over the Tojou family, Kanade joins Keigo at an all boys school where the future head of the Toyoda family, Eishi Toyoda attends... But what is this about Kanade being Eishi Toyoda's first love?

From Echochi Scans:
Two families are tied together by a curse. Every 100 years, one person from each family must share the same fate for exactly one year. The pair will be subjected to 12 misfortunes where one will get hurt while the other must sustain their injuries in return.
When Kagura Izumi was 7, his parents died in an accident. Since then, he has been living an ordinary life. Until th...

11-year old Niina is special. This is because she has the memories of her past life as a girl named Chitose still intact. Among these memories is a promise with Chitose's boyfriend which Niina then decides to try and fulfill. But can she really?

Vampires Charles J. Chrishunds (Charley) and Johnny Rayflo have a strange relationship. Charley is a cyborg and a vampire hunter for the Vatican, while his master Rayflo enjoys a playboy lifestyle. While fighting crimes involving vampires, Charley struggles to control his lust for blood and for Rayflo, while Rayflo delights in seducing his servant and attempts to deal with issues from his own past...

This is a spin-off story of the manga GTO(Great Teacher Onizuka). This takes place directly after the Teshigawara arc[after he was shot by him]
After Eikichi Onizuka was shot by the former teacher Teshigawara, he was sent to the hospital. Shortly afterwards he escaped, then disapeared for 14 days after an incident involving a t.v. appearance. Strangely enough, when he returned, a wanted poster ...

Fuyuki's modern adaptation of Greek mythology about the love between Hades the God of the Underworld and Persephone, the daughter of Demeter. The Greek gods and goddesses now assume human forms but still retain all their vast powers. All except for high school student, Arisa who for some reason is unable to remember her past incarnation as Persephone and her life with Hades who in this present day...